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<ri:Resource created="2006-01-25T22:10:08Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>Optical spectroscopic atlas of low-redshift AGN</title><shortName>J/ApJS/145/199</shortName><identifier>ivo://CDS.VizieR/J/ApJS/145/199</identifier><altIdentifier>doi:10.26093/cds/vizier.21450199</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Marziani P.</name></creator><creator><name>Sulentic J.W.</name></creator><creator><name>Zamanov R.</name></creator><creator><name>Calvani M.</name></creator><creator><name>Dultzin-Hacyan D.,Bachev R.</name></creator><creator><name>Zwitter T.</name></creator><date role="Updated">2006-01-25T21:10:26Z</date><date role="Created">2006-01-25T22:10:08Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>active-galactic-nuclei</subject><subject>quasars</subject><subject>star-atlases</subject><subject>spectroscopy</subject><subject>line-intensities</subject><description>We present a spectral atlas of the H{beta} region for 215 type 1 AGNs (luminous Seyfert 1/radio galaxy nuclei and low-z quasars) up to z~0.8. Line profiles and measures were derived from the database of intermediate resolution spectra (R&gt;~1000) with average continuum level S/N ratio ~30. Parameters including rest frame equivalent width and FWHM are provided for the FeII_opt_ blend at {lambda}4570, H{beta}, HeII {lambda}4686, and the [OIII] {lambda}{lambda}4959, 5007 emission lines. We extract clean broad component H{beta} profiles and provide wavelength measurements at 0, 1/4, 1/2, 3/4, and 0.9 peak intensity levels in order to permit a quantitative definition of the H{beta} broad component for statistical studies. We also discuss sources of uncertainty, selection effects, and biases in our sample. The data are especially important for tests of the eigenvector 1 parameter space occupation and correlation. We show that the I Zw 1 template FeII_opt_ spectrum reproduces well the observed FeII_opt_ emission for a wide range of line width and strength. A detailed analysis of the data within the eigenvector 1 context is deferred to a companion paper.</description><source format="bibcode">2003ApJS..145..199M</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/145/199</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/145/199</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/145/199</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/145/199</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/145/199</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/145/199</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/145/199</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface></capability><capability standardID="ivo://ivoa.net/std/TAP#aux"><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://tapvizier.cds.unistra.fr/TAPVizieR/tap</accessURL></interface></capability><capability xsi:type="cs:ConeSearch" standardID="ivo://ivoa.net/std/ConeSearch"><description>Cone search capability for table J/ApJS/145/199/table2 (Object identification and log of optical observations)</description><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/145/199/table2?</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/145/199/table2?</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/145/199/table2?</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface><maxSR>180.0</maxSR><maxRecords>50000</maxRecords><verbosity>true</verbosity><testQuery><ra>1.4966667</ra><dec>16.1636111</dec><sr>0.005555555555555556</sr></testQuery></capability><coverage><spatial>6/1701 2052 2464 3309 4215 4285 4488 4506 5091 5244 5262 5306 5437 5481 5576 5597 5687 5722 5731 6028 6209 6252 6264 6535 6923 7176 7246 7508 7664 7777 7859 7998 8017 8071 8261 8299 8528 8631 8636 8641 8845 8858 8881 8893 8906 8922 8927 8941 9018 9181 9194 9262 9322 9490 9633 9955 9959 10039 10162 10217 10269 10321 10431 10472 10578 10653 10691 10694 10709 10912 11206 11217 11354 11388 11402 11490 11668 11829 11898 11924 12025 12317 12380 12604 12632 13414 13496 14858 15067 15351 16093 16301 16671 17075 17485 17713 17727 17819 17827 17866 18041 18125 18127 18402 18506 18524 18683 18769 18918 18923 19283 19287 19315 19416 19433 19567 19609 19619 19700 19716 19730 19746 19767 19883 19932 20290 21126 21935 21955 22632 22658 22659 22708 22754 22847 22890 23323 23476 25182 25403 25619 25735 25742 25965 26148 26251 26292 26310 26509 26615 26650 26736 26859 26902 27023 27025 27227 27293 27349 27382 27486 27580 27720 27848 27862 27976 28060 28164 28275 28278 28356 28471 28517 28535 28589 30021 31534 31650 31676 31685 31995 32683 32948 33634 34104 34210 34499 34881 35542 35829 35830 35906 36313 36786 38268 38770 38836 40344 40838 43452 43877 44785 44988 45409 46588 46861 46873 47120 47169 47222 48614 48965 49001 49042</spatial><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/145/199?format=ascii</footprint><waveband>Optical</waveband></coverage><tableset><schema><name>default</name><table><name>J/ApJS/145/199/table2</name><description>Object identification and log of optical observations</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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Specific flux at 6 cm (2)</description><unit>Jy</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>BMAG</name><description>Absolute blue magnitude</description><unit>mag</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Obs</name><description>Day of observation</description><unit>s</unit></column><column><name>Exp</name><description>Exposure Time in seconds</description><unit>s</unit><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>_RA</name><description>Right Ascension (J2000) from SIMBAD (not part of the original data)</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd></column><column><name>_DE</name><description>Declination (J2000) from SIMBAD (not part of the original data)</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd></column></table><table><name>J/ApJS/145/199/table3</name><description>Spectrophotometric measurements</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>IName</name><description>The IAU Coordinate Name</description><dataType xsi:type="vs:VOTableType" arraysize="11*">char</dataType></column><column><name>S/N</name><description>The signal-to-noise ratio on continuum</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>HbBEW</name><description>Rest frame equivalent width of Hbeta broad component in Angstroms</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>e_HbBEW</name><description>? The 2{sigma} confidence level in HbBEW (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>HbBFW</name><description>FWHM of Hbeta broad component in Angstroms</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>C4861</name><description>Specific continuum flux at 4861 in units of 10^-15^/erg/cm2^/s/Angstroms</description><unit>1e-17W.m**-2.nm**-1</unit><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Warn</name><description>Warning flag on flux scale (2)</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>FeUL</name><description>Lower limit for FeII detectability in Angstroms</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>FeEW</name><description>Rest frame equivalent width of FeII blend at 4570 in Angstroms</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>FeFW</name><description>? FWHM of FeII blend at 4570 in Angstroms (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_FeFW</name><description>? The 2{sigma} confidence level in FeFW (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>BCEW</name><description>? Rest Frame Equivalent Width of HeII 4686 broad component in Angstroms (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>BCFW</name><description>? FWHM of HeII 4686 broad component in Angstroms (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>C4686</name><description>Specific continuum flux at 4686 in units of 10^-15^/erg/cm2^/s/Angstroms</description><unit>1e-17W.m**-2.nm**-1</unit><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>HbNEW</name><description>Rest Frame equivalent width of Hbeta narrow component in Angstroms (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>5007EW</name><description>? 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Blueward error in BW0 (1)</description><unit>0.1nm</unit><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>E_BW0</name><description>? 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